enum MediaType
{
	INVALID,
	MEDIA_NCL,
	MEDIA_CONTEXT,
	MEDIA_SWITCH,
	TXT,
	IMAGE,
	VIDEO,
	SOUND,
	HTML,
	CSS,
	JAVASCRIPT,
	XML,
	LUA,
	JAVA
};

enum NodeType
{
	NODE_NCL,
	NODE_BODY,
	NODE_CONTEXT,
	NODE_SWITCH,
	MEDIA,
	AREA,
	PORT,
	LINK,
	BIND,
	BINDPARAM,
	DESCRIPTOR,
	REGION,
	CAUSALCONNECTOR,
	SIMPLECONDITION,
	SIMPLEACTION
};
